Home / 86,929.44-119,965.48-49,202.88

Finding the Fourth Proportional to 86,929.44, 119,965.48 and 49,202.88

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Solution

The fourth proportional to 86,929.44, 119,965.48 and 49,202.88 is: 67,901.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,929.44 : 119,965.48 = 49,202.88 : x
  2. Step 2: Convert to fraction form
    86,929.44/119,965.48 = 49,202.88/x
  3. Step 3: Cross multiply
    86,929.44x = 119,965.48 × 49,202.88
  4. Step 4: Simplify right side
    86,929.44x = 5,902,647,116.58
  5. Step 5: Solve for x
    x = 5,902,647,116.58/86,929.44
  6. Step 6: Final answer
    x = 67,901.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.